:root {
    --primary: #0d9488;
    --primary-light: #0f766e;
    --bg-main: #ffffff;
    --bg-alt: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-dim: #475569;
    --accent: #1e293b;
    --border: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.8);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    color: var(--text-main);
}

p {
    color: var(--text-dim);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 100px 0;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.95)), url('hero.png');
    background-size: cover;
    background-position: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 700px;
}

.hero-tagline {
    color: var(--primary);
    font-family: 'Space Mono', monospace;
    font-size: 1rem;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 80px);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 540px;
    margin-bottom: 3rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary);
    border: 1px solid var(--primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.cta-button:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Features/Problem Section */
.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::after {
    content: "";
    display: block;
    width: 300px;
    height: 1px;
    background: var(--text-dim);
    opacity: 0.3;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--primary);
}

.card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: block;
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Technology Highlight */
.tech-highlight {
    background: var(--bg-alt);
    border-radius: 24px;
    padding: 4rem;
    display: flex;
    gap: 4rem;
    align-items: center;
    border: 1px solid var(--border);
}

.tech-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.tech-image img {
    width: 100%;
    display: block;
}

.tech-info {
    flex: 1.2;
}

.tech-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.tech-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item h4 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
}

.team-member h4 {
    margin-top: 1rem;
    color: var(--text-main);
}

.team-member span {
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 50px 0;
    border-top: 1px solid rgba(136, 146, 176, 0.1);
    text-align: center;
}

.social-links {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--text-dim);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .tech-highlight {
        flex-direction: column;
        padding: 2rem;
    }
}